From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To: Manivannan Sadhasivam <mani@kernel.org>, Rob Herring <robh@kernel.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.com,
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Rob Herring <robh+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-phy@lists.infradead.org
Subject: [PATCH v3 2/9] dt-bindings: phy: add bindings for Hikey 970 PCIe PHY
Date: Fri, 9 Jul 2021 12:41:38 +0200 [thread overview]
Message-ID: <efa7981b73e4885158baa8085ac9420e5f1ac182.1625826353.git.mchehab+huawei@kernel.org> (raw)
In-Reply-To: <cover.1625826353.git.mchehab+huawei@kernel.org>
Document the bindings for Hikey 960 (hi3660) PCIe PHY
interface, supported via the pcie-kirin driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../phy/hisilicon,phy-hi3670-pcie.yaml | 101 ++++++++++++++++++
1 file changed, 101 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml
diff --git a/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml b/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml
new file mode 100644
index 000000000000..eddf2f2b6382
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/hisilicon,phy-hi3670-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Kirin970 PCIe PHY
+
+maintainers:
+ - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+
+description: |+
+ Bindings for PCIe PHY on HiSilicon Kirin 970.
+
+properties:
+ compatible:
+ const: hisilicon,hi970-pcie-phy
+
+ "#phy-cells":
+ const: 0
+
+ reg:
+ maxItems: 1
+ description: PHY Control registers
+
+ reg-names:
+ const: phy
+
+ phy-supply:
+ description: The PCIe PHY power supply
+
+ clocks:
+ items:
+ - description: PCIe PHY clock
+ - description: PCIe AUX clock
+ - description: PCIe APB PHY clock
+ - description: PCIe APB SYS clock
+ - description: PCIe ACLK clock
+
+ clock-names:
+ items:
+ - const: pcie_phy_ref
+ - const: pcie_aux
+ - const: pcie_apb_phy
+ - const: pcie_apb_sys
+ - const: pcie_aclk
+
+ reset-gpios:
+ description: PCI PERST reset GPIOs
+ maxItems: 4
+
+ clkreq-gpios:
+ description: Clock request GPIOs
+ maxItems: 3
+
+ hisilicon,eye-diagram-param:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description: Eye diagram for phy.
+
+required:
+ - "#phy-cells"
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - reset-gpios
+ - clkreq-gpios
+ - hisilicon,eye-diagram-param
+ - phy-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/hi3670-clock.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ pcie_phy: pcie-phy@fc000000 {
+ compatible = "hisilicon,hi970-pcie-phy";
+ reg = <0x0 0xfc000000 0x0 0x80000>;
+ reg-names = "phy";
+ #phy-cells = <0>;
+ phy-supply = <&ldo33>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>,
+ <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>,
+ <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>,
+ <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>,
+ <&crg_ctrl HI3670_ACLK_GATE_PCIE>;
+ clock-names = "pcie_phy_ref", "pcie_aux",
+ "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk";
+ reset-gpios = <&gpio7 0 0 >, <&gpio25 2 0 >,
+ <&gpio3 1 0 >, <&gpio27 4 0 >;
+ clkreq-gpios = <&gpio20 6 0 >, <&gpio27 3 0 >, <&gpio17 0 0 >;
+ hisilicon,eye-diagram-param = <0xFFFFFFFF 0xFFFFFFFF
+ 0xFFFFFFFF 0xFFFFFFFF 0xFFFFFFFF>;
+ };
+ };
+...
--
2.31.1
next prev parent reply other threads:[~2021-07-09 10:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 10:41 [PATCH v3 0/9] Add support for Hikey 970 PCIe Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 1/9] dt-bindings: phy: add bindings for Hikey 960 PCIe PHY Mauro Carvalho Chehab
2021-07-09 10:41 ` Mauro Carvalho Chehab [this message]
2021-07-09 10:41 ` [PATCH v3 3/9] dt-bindings: PCI: kirin: fix compatible string Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 4/9] dt-bindings: PCI: kirin: drop PHY properties Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 5/9] phy: hisilicon: add a PHY driver for Kirin 960 Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 6/9] PCI: kirin: drop the PHY logic from the driver Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 7/9] PCI: kirin: use regmap for APB registers Mauro Carvalho Chehab
2021-07-09 10:41 ` [PATCH v3 8/9] phy: hisilicon: add driver for Kirin 970 PCIe PHY Mauro Carvalho Chehab
2021-07-12 8:16 ` Manivannan Sadhasivam
2021-07-09 10:41 ` [PATCH v3 9/9] arm64: dts: hisilicon: Add support for HiKey 970 PCIe controller hardware Mauro Carvalho Chehab
2021-07-12 8:19 ` [PATCH v3 0/9] Add support for Hikey 970 PCIe Manivannan Sadhasivam
2021-07-12 21:49 ` Mauro Carvalho Chehab
2021-07-12 16:52 ` Bjorn Helgaas
2021-07-12 21:11 ` Mauro Carvalho Chehab
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